Australian Tropical Rainforest Plants - Online edition

Xanthostemon crenulatus C.T.White

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Flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO

White, C.T. (1942) Journal of the Arnold Arboretum 23: 82. Type: Papua: Gaima, Lower Fly River, Brass 8358, xi.1936 (BRI). (ref. Roger Carolin, Telopea 3(4) (1990) 472.).

Common name



Narrow pale brown brittle stripes visible in both the outer and inner blaze.


Leaf blades about 8-18 x 6-11 cm, petioles about 1-1.5 cm long. Lateral veins about 10-12 on each side of the midrib, curving inside the margin but not forming loops. Oil dots rather sparsely distributed, usually 1 or 2 per reticulation. Terminal buds clothed in short, prostrate hairs.


Flowers about 10-12 mm diam. Calyx tube (hypanthium) broad and saucer-shaped, about 4.5-6.5 mm diam. Calyx lobes about 2-2.5 mm long. Petals spathulate, about 3-4.5 mm. Stamens numerous, about 30-40. Staminal filaments about 2.5-3.5 mm long. Styles about 4-5 mm long.


Capsules about 6-7 x 7-8 mm, usually opening by 4 valves, calyx persistent at the base. Seeds numerous, more than 20 per capsule. Seeds winged at one end, seed + wing about 5 mm long.


Features not available.

Distribution and Ecology

Occurs in CYP and NEQ. Altitudinal range from sea level to 150 m. Usually grows in swampy forest or areas with seasonally impeded drainage but also found in open forest, on the margins of rain forest and in gallery forest. Also occurs in New Guinea.

RFK Code
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